package com.zzyl.nursing.service.impl;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.Period;
import java.util.ArrayList;
import java.util.List;


import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.zzyl.common.core.domain.AjaxResult;
import com.zzyl.common.utils.CodeGenerator;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.common.utils.bean.BeanUtils;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInContractDto;
import com.zzyl.nursing.dto.CheckInElderDto;
import com.zzyl.nursing.dto.ElderFamilyDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import com.zzyl.nursing.vo.ElderFamilyVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import java.util.Arrays;
import java.util.stream.Collectors;

/**
 * 入住Service业务层处理
 * 
 * @author ruoyi
 * @date 2025-07-23
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper, CheckIn> implements ICheckInService
{
    @Autowired
    private CheckInMapper checkInMapper;
    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private BedMapper bedMapper;
    @Autowired
    private ContractMapper contractMapper;
    @Autowired
    private CheckInConfigMapper checkInConfigMapper;


    /**
     * 查询入住
     * 
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id)
    {
        return getById(id);
    }

    /**
     * 查询入住列表
     * 
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn)
    {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn)
    {
        return save(checkIn) ? 1 : 0;
    }

    /**
     * 修改入住
     * 
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn)
    {
        return updateById(checkIn) ? 1 : 0;
    }

    /**
     * 批量删除入住
     * 
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids)
    {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除入住信息
     * 
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id)
    {
        return removeById(id) ? 1 : 0;
    }

    @Override
    public void apply(CheckInApplyDto checkInApplyDto) {
        // 判断老人是否已经入住
        // 通过身份证号查询老人
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper<>();
        elderQueryWrapper.eq(Elder::getIdCardNo, checkInApplyDto.getCheckInElderDto().getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus, 1);
        Elder elder = elderMapper.selectOne(elderQueryWrapper);
        if (ObjectUtils.isNotEmpty(elder)){
            throw new RuntimeException("该老人已入住");
        }
        // 更新床位的状态 已入住
        Bed bed=bedMapper.selectById(checkInApplyDto.getCheckInConfigDto().getBedId());
        bed.setBedStatus(1);
        bedMapper.updateById(bed);
//        保存或更新老人数据
       elder =insertOrUpdate(bed, checkInApplyDto.getCheckInElderDto());
//       生成合同编号
        String contractNo ="HT"+ CodeGenerator.generateContractNumber();
//        新增签约办理
        insertContract(contractNo,elder,checkInApplyDto);
        //        新增入住信息
        CheckIn checkIn = insertCheckIn(elder, checkInApplyDto);
//        新增入住配置信息
        insertCheckInConfig(checkIn.getId(), checkInApplyDto);

    }

    @Override
    public CheckInDetailVo detail(Long id) {
        // 1. 查询入住信息
        CheckIn checkIn = checkInMapper.selectById(id);
        if (checkIn == null) {
            throw new RuntimeException("入住信息不存在");
        }

        // 2. 查询老人信息
        Elder elder = elderMapper.selectById(checkIn.getElderId());
        if (elder == null) {
            throw new RuntimeException("老人信息不存在");
        }
        // 计算并设置年龄字段
        if (elder.getBirthday() != null && !elder.getBirthday().isEmpty()) {
            try {
                // 解析出生日期并计算年龄
                elder.setAge(Period.between(LocalDate.parse(elder.getBirthday()), LocalDate.now()).getYears());
            } catch (Exception e) {
                // 如果日期解析失败，年龄保持为null或默认值
                elder.setAge(null);
            }
        }

        // 3. 查询合同信息
        Contract contract = contractMapper.selectOne(new LambdaQueryWrapper<Contract>()
                .eq(Contract::getElderId, elder.getId()));
        if (contract == null) {
            throw new RuntimeException("合同信息不存在");
        }

        // 4. 查询入住配置信息
        CheckInConfig checkInConfig = checkInConfigMapper.selectOne(new LambdaQueryWrapper<CheckInConfig>()
                .eq(CheckInConfig::getCheckInId, id));
        if (checkInConfig == null) {
            throw new RuntimeException("入住配置信息不存在");
        }
        CheckInConfigVo checkInConfigVo = new CheckInConfigVo();
        BeanUtils.copyProperties(checkInConfig, checkInConfigVo);
        // 补全数据
        checkInConfigVo.setStartDate(checkIn.getStartDate());
        checkInConfigVo.setEndDate(checkIn.getEndDate());
        checkInConfigVo.setBedNumber(checkIn.getBedNumber());



        // 5. 转换家属列表
        List<ElderFamilyVo> elderFamilyVoList = new ArrayList<>();
        if (checkIn.getRemark() != null && !checkIn.getRemark().isEmpty()) {
            try {
                // 将JSON字符串转换为ElderFamilyVo列表
                List<ElderFamilyDto> elderFamilyDtoList =
                        JSON.parseArray(checkIn.getRemark(),ElderFamilyDto.class);

                // 转换为ElderFamilyVo
                elderFamilyVoList = elderFamilyDtoList.stream()
                        .map(dto -> {
                            ElderFamilyVo vo = new ElderFamilyVo();
                            BeanUtils.copyProperties(dto, vo);
                            return vo;
                        })
                        .collect(Collectors.toList());
            } catch (Exception e) {
                // 如果解析失败，返回空列表
                elderFamilyVoList = new ArrayList<>();
            }
        }

        // 6. 整合数据返回
        CheckInDetailVo detailVo = new CheckInDetailVo();
        detailVo.setCheckInElderVo(convertToCheckInElderVo(elder));
        detailVo.setElderFamilyVoList(elderFamilyVoList);
        detailVo.setCheckInConfigVo(checkInConfigVo);
        detailVo.setContract(contract);

        return detailVo;
    }
    /**
     * 转换老人信息为 CheckInElderVo
     *
     * @param elder 老人实体
     * @return CheckInElderVo
     */
    private CheckInElderVo convertToCheckInElderVo(Elder elder) {
        CheckInElderVo vo = new CheckInElderVo();
        BeanUtils.copyProperties(elder, vo);
        return vo;
    }


    /**
     * 新增入住配置
     * @param checkInApplyDto
     */
    private void insertCheckInConfig(Long checkInId, CheckInApplyDto checkInApplyDto) {
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(checkInApplyDto.getCheckInConfigDto(), checkInConfig);
        checkInConfig.setCheckInId(checkInId);
        checkInConfigMapper.insert(checkInConfig);
    }

    /**
     * 新增入住信息
     * @param elder
     * @param checkInApplyDto
     */
    private CheckIn insertCheckIn(Elder elder, CheckInApplyDto checkInApplyDto) {
        CheckIn checkIn = new CheckIn();
        checkIn.setElderId(elder.getId());
        checkIn.setElderName(elder.getName());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setNursingLevelName(checkInApplyDto.getCheckInConfigDto().getNursingLevelName());
        checkIn.setStartDate(checkInApplyDto.getCheckInConfigDto().getStartDate());
        checkIn.setEndDate(checkInApplyDto.getCheckInConfigDto().getEndDate());
        checkIn.setBedNumber(elder.getBedNumber());
        checkIn.setRemark(JSON.toJSONString(checkInApplyDto.getElderFamilyDtoList()));
        checkIn.setStatus(0L);
        checkInMapper.insert(checkIn);
        return checkIn;
    }

    /**
     * 新增合同
     * @param contractNo
     * @param elder
     * @param checkInApplyDto
     */
    private void insertContract(String contractNo, Elder elder, CheckInApplyDto checkInApplyDto) {
        Contract contract = new Contract();
//        属性拷贝
        BeanUtils.copyProperties(checkInApplyDto.getCheckInContractDto(), contract);
        contract.setContractNumber(contractNo);
        contract.setElderId(Integer.valueOf (elder.getId()+ ""));
        contract.setElderName(elder.getName());
//        状态.开始时间.结束时间.
//        签约时间小于等于当前时间，合同生效中
        // 获取入住开始时间
        LocalDateTime checkInStartTime=checkInApplyDto.getCheckInConfigDto().getStartDate();
//         获取入住结束时间
        LocalDateTime checkInEndTime = checkInApplyDto.getCheckInConfigDto().getEndDate();
        Integer status = checkInStartTime.isBefore(LocalDateTime.now()) ? 1 : 0;
        contract.setStatus(Long.valueOf(status));
        contract.setStartDate(checkInStartTime);
        contract.setEndDate(checkInEndTime);
        contractMapper.insert(contract);

    }

    /**
     * 新增或更新老人
     * @param bed
     * @param checkInElderDto
     * @return
     */
    private Elder insertOrUpdate( Bed bed, CheckInElderDto checkInElderDto) {
//            准备老人数据
        Elder elder = new Elder();
//        属性拷贝
        BeanUtils.copyProperties(checkInElderDto, elder);
        elder.setBedNumber(bed.getBedNumber());
        elder.setBedId(bed.getId());
        elder.setStatus(1);
//        查询老人信息,(身份证,状态不为1)
        LambdaQueryWrapper<Elder> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        lambdaQueryWrapper.eq(Elder::getIdCardNo,checkInElderDto.getIdCardNo()).ne(Elder::getStatus,1);
        Elder elder1 = elderMapper.selectOne(lambdaQueryWrapper);
        if (!ObjectUtils.isEmpty(elder1)){
//            修改
            elderMapper.updateById(elder);
        }else{
//            新增
            elderMapper.insert(elder);
        }
        return elder;
    }
}
